is usually played to keep sente. Sooner or later White plays
, which is usually gote but which has a large follow-up.
Black can connect at a or resist? at b.
Charles In a small sample (3) the pro always connects.
Black can also cut at 4, but then White can live.
If the top right is big, Black plays this way. White lives
Taking the corner is usually too painful.
The question is whether Black can resist.
This way, White wins by one liberty.
would be a mistake I think. White loses a liberty.
Requires more analysis. --Dieter